<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=`, initial-scale=1.0">
  <title>双飞翼布局</title>
  <style>
    * {
      padding: 0;
      margin: 0;
    }
    .column {
      float: left;
    }
    .center-wrapper {
      width: 100%;
      background-color: #ccc;
    }
    .center {
      background-color: lightgreen;
      margin-left: 100px;
      margin-right: 50px;
    }
    .left {
      width: 100px;
      background-color: lightblue;
      margin-left: -100%;
    }
    .right {
      width: 50px;
      background-color: orange;
      margin-left: -50px;
    }
  </style>
</head>
<body>
  <div class="center-wrapper column">
    <div class="center">Middle</div>
  </div>
  <div class="left column">Left</div>
  <div class="right column">Right</div>
</body>
</html>